Dorrucci, Maria <br/><br/>
Has human immunodeficiency virus become more virulent?  [electronic resource] 

 -  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America  May 2009 
 - 1293-5 p.  digital 
<br/><br/> Publication Type: Comment; Editorial 
<br/><br/><label>ISSN: </label>1537-6591 
<br/><br/><label>Standard No.: </label>10.1086/597778  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HIV--pathogenicity<br/>HIV Infections--epidemiology<br/>Humans<br/>Virulence